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Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
Published on: December 20, 2016
High throughput synthesis of defect-rich MoS2 nanosheets via facile electrochemical exfoliation for fast
Weiming Wu1, Changsong Zhang1, Limin Zhou1
1School of Chemical and Environmental Engineering, Anyang Institute of Technology, Anyang 455000, China.
Abstract:
A facile and cost-effective method to prepare defect-rich MoS2 nanosheets is developed via an electrochemical exfoliation process. By using bucket-like metallic titanium mesh both as inert anode and container for MoS2 powders, defect-rich thin MoS2 nanosheets can be fast exfoliated from the bulk powders in aqueous sodium sulfate electrolyte under positive potentials. The as-obtained MoS2 nanosheets exhibit excellent cycling capability, high specific capacity, and superior rate performance for lithium storage. Furthermore, it provides a novel and effective method to exfoliate insulative or semiconductive layer-structured bulk powders into defect-rich 2D nanosheets.
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